• Tonight

    May 24

    Lo 4°

    Clouds breaking; breezy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
    • Hi
      RealFeel
    • Wind
      Speed
      23 k/h
  • Sat

    May 25

    15°Lo 6°

    Partly sunny, breezy and cool

    Fair for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
      14°
    • Wind
      Speed
      21 k/h
    more
  • Sun

    May 26

    17°Lo 5°

    Clouds breaking and windy

    Fair for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
      15°
    • Wind
      Speed
      23 k/h
    more
  • Mon

    May 27

    21°Lo 5°

    Mostly sunny and warmer

    Poor for home energy
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      23°
    • Wind
      Speed
      11 k/h
    more
  • Tue

    May 28

    24°Lo 8°

    Nice with plenty of sunshine

    Poor for home energy
    • Avg
      RealFeel
      21°
    • Hi
      RealFeel
      28°
    • Wind
      Speed
      6 k/h
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
10pm
11pm Sat
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°C)
RealFeel® -1° -2° -3°
Humidity 55% 58% 59% 57% 58% 63% 69% 71%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (km/h) 21 N 19 N 19 N 19 NNW 23 NNW 21 NNW 21 NNW 21 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 78% 78% 76% 77% 47% 46% 45% 45%
Dew Point -1° -1° -1° -1° -1°
Middle Grid line 10 C Middle Grid line 5 C Middle Grid line 0 C

Temperature History - May 24

more Historical Weather Data >
  Today Normal Record 5/24/2012
High 13° 20° 32° (2007) 28°
Low -3° (1956) 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:24 AM with 15:12 of sunlight, then sets at 8:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:13 PM with 9:36 of moolight, then sets at 5:49 AM

Top Story

Nepean Weather Report

Updated Look at the Long-Range Potential Through June

May 24, 2013; 9:37 AM ET

The latest on the ECMWF model weeklies.... more >